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BaseRepresentation
bin1011111010111…
…01010001001101
320222011100202022
411331131101031
5201044343444
613531135525
72322646466
oct575352115
9228140668
1099996749
115149a046
12295a45a5
1317942198
14d3cdd6d
158ba39ee
hex5f5d44d

99996749 has 2 divisors, whose sum is σ = 99996750. Its totient is φ = 99996748.

The previous prime is 99996719. The next prime is 99996769. The reversal of 99996749 is 94769999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57002500 + 42994249 = 7550^2 + 6557^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-99996749 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 99996691 and 99996700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99996719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49998374 + 49998375.

It is an arithmetic number, because the mean of its divisors is an integer number (49998375).

Almost surely, 299996749 is an apocalyptic number.

It is an amenable number.

99996749 is a deficient number, since it is larger than the sum of its proper divisors (1).

99996749 is an equidigital number, since it uses as much as digits as its factorization.

99996749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9920232, while the sum is 62.

The square root of 99996749 is about 9999.8374486789. The cubic root of 99996749 is about 464.1538533717.

The spelling of 99996749 in words is "ninety-nine million, nine hundred ninety-six thousand, seven hundred forty-nine".